# 9.4.3 从一个模块中导入多个类
from hello_world_car2 import Car, ElectricCar

my_beetle = Car('volkswagen', 'beetle', 2018)
print(my_beetle.get_descriptive_name())

my_tesla = ElectricCar('tesla', 'roadster', 2019)
print(my_tesla.get_descriptive_name())
